# A&E activity and pressure by trust

> Attendances, emergency admissions and 12-hour post-decision waits across London providers.

- Category: NHS
- Cadence: monthly
- Status: Published on a monthly cadence.
- Dataset key: `nhs-ae-activity-by-trust`
- Source: [NHS England](https://www.england.nhs.uk/statistics/statistical-work-areas/ae-waiting-times-and-activity/)
- Licence: Open Government Licence v3.0 — [terms](https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/)
- Canonical page: [https://londongraph.com/g/nhs-ae-activity-by-trust](https://londongraph.com/g/nhs-ae-activity-by-trust)
- Machine-readable record: [https://londongraph.com/data/nhs-ae-activity-by-trust](https://londongraph.com/data/nhs-ae-activity-by-trust)

## Methodology

Latest Monthly A&E provider return for active London trusts. Booked-appointment columns are subsets and are not added again. A 12-hour count is a long wait after the clinical decision to admit, not 12 hours from arrival. Raw volumes reflect different trust sizes and service mixes.

## Visualisations

- [Overview](https://londongraph.com/g/nhs-ae-activity-by-trust): Attendances, emergency admissions and 12-hour post-decision waits across London providers.
- [Map](https://londongraph.com/g/nhs-ae-activity-by-trust?view=geography): Compare the same measure geographically.
- [Distribution](https://londongraph.com/g/nhs-ae-activity-by-trust?view=distribution): Show every published value around the median and quartiles.

## Citation guidance

Attribute the original publisher named above and identify LondonGraph as the visualisation and methodology layer. Do not describe live values as a historical census, and do not present placeholder values as observations.